Yamaha CR-420 1977 Silver/Walnut cabinet A very nice Yamaha CR-420 stereo receiver from 1977-80 It works and sounds absolutely wonderful ! Description: Enjoying novel and useful features, the CR-420 receiver combines super broadcast reception with the finest audio quality. The unit features accurately matched performance specifications, functions and controls, fully measuring up to Yamaha's high standards for separate tuners, pre and power amplifiers. The CR-420 offers an extremely wide range of output powers for which both noise and distortion are below the rated value, for the widest possible dynamic range in actual use. Quite nice! The sophisticated differential gain technique enables the Yamaha to combine high station-getting ability, razor sharp tuning, and ultra-low distortion in the tuner section. Works as new and sounds amazing as expected by picky Yamaha fans. Specifications Tuning range: FM, MW Power output: 22 watts per channel into 8Ω (stereo) Tested higher @30 Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.05% Damping factor: 40 Input sensitivity: 2mV (MM), 120mV (line) Signal to noise ratio: 91dB (MM), 97dB (line) Output: 120mV (line) Speaker load impedance: 4Ω (minimum) Semiconductors: 2 x IC, 1 x FET, 53 x transistors, 25 x diodes, 5 x zener diodes, 3 x LED Dimensions: 451 x 161 x 324mm Weight: 9kg or 20+ lbs.